Knife for cutting wrapping-twine.



No. 659,245. v Patented Oct. 9, I900.

s. s. LYLES. KNIFE FOR CUTTING WRAPPING TWINE.

(Application filed Dec. 11, 1899.)

(No M'odalL) UNITE STATES ATENT OFFICE.

GILBERT S. LYLES, OF CHICAGO, ILLINOIS.

KNIFE FOR CU TTING WRAPPING-TWINE.

SPECIFICATION forming part of Letters Patent No. 659,245, dated October 9, 1900, Application filed December 11, 1899. Serial No. 739,876. (No model.)

To all, whom, it may concern:

Be it known that I, GILBERT S. LYLES, a citizen of the United States, residing in the city of Chicago, county of Cook, State of Illinois, have invented a, new and useful Improvement in Knives for Cutting W'rapping- Twine, of which the following is a specification.

The object of my invention is to provide for the use of shippers and other wrappers a knife for the cutting of cordage or other \vrappingtwine, which knife shall be permanently secured in a place convenient to the wrapping-table and may be operated by the foot.

In the use of ordinary handle-knives for the cutting of binding-twine a great deal of inconvenience is experienced by the misplacing of the knife, its interference with the work of wrapping where it must be laid on the wrapping-table when not in use, and the necessity of using the hands to operate the same. The hands are so occupied in the process of wrapping and tying that much time may be lost by the necessity of freeing one of the hands for the purpose of picking up the knife and cutting the binding-cord.

By my invention I propose to provide means for overcoming all of these objections to the handle-knife, and my invention resides in the novel features of construction set forth in the following specification and illustrated in the annexed drawings.

In the drawings, Figure 1 presents a general view of my invention as applied in operative form. Fig. 2 presents a top edge view of Fig. 1. Fig. 3 presents a modified form of my invention.

As particularly described, A represents the body or frame of my device and consists, preferably, of a metal casting formed with a flat back part a and two side flanges a, with inwardly-presented grooves a, designed to receive the knife B.

The knife B is a flat highly-tempered steel plate formed at its top end into a V-shaped cutting edge. The knife is of such a width as fits within the grooves a a" and is designed to slide Within such grooves in operation.

0 represents a foot-lever,witl1 which the knife B is operatively connected by means of the lever-arms c, c, and c.

It is designed that one of the side flanges ct shall be longer than the other parts of the frame A and shall extend below such other parts, presenting a slot H at its lower end,

within which arm 0 shall be pivotally se-- cured.

D represents a coiled spring secured at its one end to the lower part of the knife B and at its other end to the back 01, below the knife B.

For the purpose of securing a stop for the knife B in its down ward movement in the frame A, I provide a small pin J, which is se cured to the back a of such frame A and projects from the surface of the back to engage the bottom end of the knife B in its descent.

E represents the table or bench, to which the knife-frame is secured by means of screws F, and the foot-lever C by means of pivot G.

The manner of operation of my device is as follows: Knife Bin its normal position stands just below the top surface of the bench E. When the package or bundle in hand has been tied and the operator is ready to cuthis binding-cord, the cutting edge of the knife B is raised above the surface of the table E, as shown by the dotted lines, by operation of the foot-lever O. The cord is then out by drawing it across the knife B, and upon the release of lever (J the knife B is retired to its normal position by the action of the spring D.

In Fig. 3 I show a modified form of my device. In this form I eliminate the lever-arm c and simplify the construction by giving the lever-arm 0 direct connection with the knife B by means of pin K, engaging slot I. In the operation of this modified form of device the engaging pin K slides within the slot I.

My device may be constructed of any size and of any kind of material. I would not be confined to the exact V shape of knife B, as herein described, but would make such knife 01' any desired form.

What I claim as my invention is 1. In a Wrappers knife the combination of a frame consisting of a flat back and two side flanges formed with inwardly presented grooves, with a knife-blade slidingly engaged such knife-blade presenting acntting edge, 10 with such grooves, a compression-spring ena. spring D, and operatively connected with gaging such knife with such flat back of said the whole, a foot-lever O, substantially as frame, and a foot-lever for operating said described and for the purposes herein set 5 knife-blade, substantially as described and forth.

for the purposes herein set forth. GILBERT S. LYLES.

2. In a wrappers knife the combination of Witnesses: a grooved frame A with a. knife-blade B slid- FOSTER BRANSON, ing Within such frame,the upper portion of I HERBERT F. RAWLL. 

